Pump impeller



FIG. 1 is a perspective view of the front of the impeller showing our new design;

FIG. 2 is a perspective view of the back of the impeller showing our new design;

FIG. 3 is a plan view of the front of the impeller;

FIG. 4 is a plan view of the back of the impeller;

FIG. 5 is a side elevation view of the impeller, with the back of the impeller facing to the left of the page;

FIG. 6 is a side elevation view of the impeller shown in FIG. 5, with the back of the impeller facing to the right of the page;

FIG. 7 is a side elevation view of the impeller shown in FIG. 5, having been rotated ninety degrees both vertically and horizontally, the back of the impeller facing to top of the page; and,

FIG. 8 is a side elevation view of the impeller shown in FIG. 7, with the back of the impeller facing toward the bottom of the page.

The broken lines shown in FIGS. 2 and 4 are included for the purpose of illustrating portions of the pump impeller that form no part of the claimed design. 

CLAIM The ornamental design for a pump impeller, as shown and described herein. 